From 01ed824b5c7a17e75e4bc3d6e68776e7927e5d09 Mon Sep 17 00:00:00 2001
From: Sindre Sorhus <sindresorhus@gmail.com>
Date: Wed, 4 Mar 2015 21:02:36 +0800
Subject: [PATCH] modularize `util.toFastProperties()`

https://github.com/sindresorhus/to-fast-properties
---
 package.json                            |  1 +
 src/babel/helpers/to-fast-properties.js | 15 ---------------
 src/babel/types/index.js                |  2 +-
 3 files changed, 2 insertions(+), 16 deletions(-)
 delete mode 100644 src/babel/helpers/to-fast-properties.js

diff --git a/package.json b/package.json
index 921bb8c5b3..99494bd89e 100644
--- a/package.json
+++ b/package.json
@@ -64,6 +64,7 @@
     "source-map": "^0.4.0",
     "source-map-support": "^0.2.9",
     "source-map-to-comment": "^1.0.0",
+    "to-fast-properties": "^1.0.0",
     "trim-right": "^1.0.0"
   },
   "devDependencies": {
diff --git a/src/babel/helpers/to-fast-properties.js b/src/babel/helpers/to-fast-properties.js
deleted file mode 100644
index a7499fdff5..0000000000
--- a/src/babel/helpers/to-fast-properties.js
+++ /dev/null
@@ -1,15 +0,0 @@
-/**
- * A trick from Bluebird to force V8 to use fast properties for an object.
- * Read more: http://stackoverflow.com/questions/24987896/
- *
- * Use %HasFastProperties(obj) and --allow-natives-syntax to check whether
- * a particular object already has fast properties.
- */
-
-module.exports = function toFastProperties(obj) {
-  /*jshint -W027*/
-  function f() {}
-  f.prototype = obj;
-  return f;
-  eval(obj);
-};
diff --git a/src/babel/types/index.js b/src/babel/types/index.js
index 91c36ed9e3..62ad08f545 100644
--- a/src/babel/types/index.js
+++ b/src/babel/types/index.js
@@ -1,4 +1,4 @@
-import toFastProperties from "../helpers/to-fast-properties";
+import toFastProperties from "to-fast-properties";
 import isPlainObject from "lodash/lang/isPlainObject";
 import isNumber from "lodash/lang/isNumber";
 import isRegExp from "lodash/lang/isRegExp";